CN212536023U

CN212536023U - Packing type energy-saving oil extraction pump

Info

Publication number: CN212536023U
Application number: CN202021353928.5U
Authority: CN
Inventors: 李莉; 王春晓; 苟璇; 景波; 巩曰强; 张�浩; 韩建华; 苟超; 田雅; 张文雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-02-12
Anticipated expiration: 2030-07-11

Abstract

The utility model belongs to the technical field of the oil recovery pump technique and specifically relates to an energy-conserving oil recovery pump of packing formula, it is provided with a plurality of pipe to run through on the packer, every pipe is all parallel to pump barrel axis setting, the both ends of pipe all outwards extend to outside the packer, fixed mounting has the plunger between two pipe bottoms, a perforating hole has all been opened on two pipes of plunger top, all fixed solid fixed ring that is equipped with a coaxial setting with it on two pipes of packer top, all the cover is equipped with a sleeve pipe on the pipe body of every solid fixed ring top, sleeve pipe top fixed mounting has the gasbag that communicates with inside mutually, the sleeve pipe bottom mounting is equipped with the go-between of coaxial setting with it, the go-between passes through a plurality of screw fixed connection on solid fixed ring, gu the equal fixed mounting of fixed surface has a plurality of. The utility model discloses a set up the gasbag, have more energy-conserving advantage.

Description

Packing type energy-saving oil extraction pump

Technical Field

The utility model relates to an oil recovery pump technical field especially relates to an energy-conserving oil recovery pump of packing formula.

Background

The sucker-rod pump (oil pump) is generally a plunger type oil pump driven by the up-and-down reciprocating motion of a sucker rod. The sucker-rod pump oil extraction has the characteristics of simple structure, strong adaptability, convenient maintenance and management and long service life, and is the most widely applied mechanical oil extraction mode at home and abroad at present.

In the utility model with patent publication number CN208763862U, a packing type energy-saving oil extraction pump is disclosed, in the process of moving up the plunger, the air between the plunger and the packer is discharged through a fixed rod; however, in the process of moving the plunger down, air is difficult to timely discharge into the cavity between the plunger and the packer through the air holes in the fixed rod, so that the plunger is very hard to move down, energy loss is caused, and energy is not saved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the plunger in the prior art moves down difficultly to cause energy loss, and providing a packing type energy-saving oil extraction pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a packing type energy-saving oil extraction pump, which comprises a pump barrel, wherein the top end of the pump barrel is fixedly provided with an oil extraction pipe communicated with the inside of the pump barrel, the bottom end of the pump barrel is fixedly provided with a one-way valve, the upper part of the inside of the pump barrel is fixedly provided with a packer matched with the pump barrel, the packer is provided with a plurality of guide pipes in a penetrating way, each guide pipe is arranged in parallel to the central axis of the pump barrel, the two ends of each guide pipe outwards extend to the outside of the packer, a plunger is fixedly arranged between the bottom ends of the two guide pipes, the two guide pipes above the plunger are both provided with a through hole, the central part of the plunger is provided with an oil extraction rod in a penetrating way, the oil extraction rod is fixedly connected with the plunger, the bottom end of the oil extraction rod is fixedly provided with a moving one-way valve, the top end of, the catheter tube body above each fixing ring is sleeved with a sleeve, the top end of each sleeve is fixedly provided with an air bag communicated with the inside of the sleeve, the bottom end of each sleeve is fixedly provided with a connecting ring which is coaxially arranged with the bottom end of each sleeve, the connecting rings are fixedly connected to the fixing rings through a plurality of screws, and the lower surfaces of the fixing rings are fixedly provided with a plurality of rubber damping pieces.

Preferably, the rubber shock absorber spare includes connecting block, hollow rubber column, gu fixed ring lower surface has a plurality of connecting block, every along circumference fixed mounting the connecting block bottom is all fixed and is equipped with a hollow rubber column.

Preferably, the conduit is a stainless steel conduit.

Preferably, a sealing ring is arranged between the fixing ring and the connecting ring.

The utility model provides an energy-conserving oil recovery pump of packing formula, beneficial effect lies in: through setting up the gasbag, at the in-process that the sucker rod drove the plunger and moves down, the air in the gasbag is under the shrink effect of gasbag, in the cavity between packer and the plunger is arranged into through the pipe constantly, utilizes the air of injecting into in the cavity to provide the helping hand to moving down of plunger to the effectual energy loss that has reduced the plunger and move down the in-process, more energy-conservation.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a packing type energy-saving oil extraction pump provided by the present invention;

fig. 2 is a schematic view of a partial structure at a in fig. 1.

In the figure: the device comprises a pump cylinder 1, an oil pumping pipe 2, a packer 3, a guide pipe 4, a plunger 5, a floating one-way valve 6, a through hole 7, a one-way valve 8, a fixing ring 9, a sleeve 10, an air bag 11, a connecting ring 12, a screw 13, a connecting block 14, a hollow rubber column 15 and an oil pumping rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-2, a packing type energy-saving oil extraction pump comprises a pump barrel 1, wherein an oil pumping pipe 2 communicated with the inside of the pump barrel 1 is fixedly installed at the top end of the pump barrel 1, a one-way valve 8 is fixedly installed at the bottom end of the pump barrel 1, a packer 3 matched with the pump barrel 1 is fixedly installed at the upper part of the inside of the pump barrel 1, a plurality of guide pipes 4 penetrate through the packer 3, each guide pipe 4 is arranged in parallel to the central axis of the pump barrel 1, and the guide pipes 4 are stainless steel guide pipes. The both ends of pipe 4 all outwards extend to outside packer 3, fixed mounting has plunger 5 between two 4 bottoms of pipe, a perforating hole 7 has all been opened on two pipe 4 of plunger 5 top, well centre department runs through on plunger 5 and is provided with sucker rod 16, sucker rod 16 and 5 fixed connection of plunger, 16 bottom fixed mounting of sucker rod has check valve 6 that moves about, the sucker rod 16 top upwards extends until running through packer 3, all fix being equipped with a solid fixed ring 9 of coaxial setting with it on two pipe 4 of packer 3 top, all overlap on the pipe 4 body of every solid fixed ring 9 top and be equipped with a sleeve pipe 10, sleeve pipe 10 top fixed mounting has the gasbag 11 that communicates with inside, sleeve pipe 10 bottom mounting is equipped with the go-between 12 of coaxial setting with it, go-between 12 is through a plurality of screw 13 fixed connection on solid fixed ring 9, be provided with the sealing washer between solid fixed ring 9 and the go-. The lower surface of the fixing ring 9 is fixedly provided with a plurality of rubber shock absorbing parts.

When the utility model is used, when the pumping unit drives the pumping rod 16 and the plunger 5 to move upwards, the cavity between the packer 3 and the plunger 5 is compressed, and the compressed air enters the conduit 4 through the through hole 7 and is guided into the air bag 11 through the conduit 4, thus preventing the air from being compressed and causing resistance to the plunger 5; during the upward movement of the plunger 5, the sucked-up liquid is stored in the cavity between the plunger 5 and the check valve 8; when the plunger 5 moves down, the gas in the air bag 11 is discharged into the cavity between the packer 3 and the plunger 5 through the conduit 4, and simultaneously the liquid stored in the cavity between the plunger 5 and the one-way valve 8 is sent into the oil pumping pipe 2 by the oil pumping rod 6.

Example 2

Referring to fig. 2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the rubber shock absorber includes a connecting block 14 and a hollow rubber column 15, a plurality of connecting blocks 14 are fixedly installed on the lower surface of the fixing ring 9 along the circumferential direction, and a hollow rubber column 15 is fixedly installed at the bottom end of each connecting block 14.

Through setting up this rubber damper, at the in-process that solid fixed ring 9 moved down, when rubber damper contacted with packer 3 upper surface, hollow rubber column 5 can slow down the speed that plunger 5 descends.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sealing type energy-saving oil extraction pump comprises a pump barrel (1) and is characterized in that an oil pumping pipe (2) communicated with the inside of the pump barrel (1) is fixedly installed at the top end of the pump barrel (1), a one-way valve (8) is fixedly installed at the bottom end of the pump barrel (1), a packer (3) matched with the pump barrel is fixedly installed at the inner upper portion of the pump barrel (1), a plurality of guide pipes (4) penetrate through the packer (3), each guide pipe (4) is arranged in parallel to the central axis of the pump barrel (1), two ends of each guide pipe (4) extend outwards to the outside of the packer (3), a plunger (5) is fixedly installed between the bottom ends of the guide pipes (4), a through hole (7) is formed in each guide pipe (4) above the plunger (5), an oil pumping rod (16) penetrates through the center of the plunger (5), and the oil pumping rod (16) is fixedly connected with the plunger (5), sucker rod (16) bottom fixed mounting has check valve (6) that move about, sucker rod (16) top upwards extends until running through packer (3), all fix on two pipe (4) of packer (3) top and be equipped with one with it fixed ring (9) of coaxial setting, every all the cover is equipped with one sleeve pipe (10) on pipe (4) body of fixed ring (9) top, sleeve pipe (10) top fixed mounting have with inside gasbag (11) that communicate, sleeve pipe (10) bottom mounting is equipped with go-between (12) of coaxial setting with it, go-between (12) are through a plurality of screw (13) fixed connection on fixed ring (9), the equal fixed mounting of fixed ring (9) lower surface has a plurality of rubber shock absorber.

2. The packing type energy-saving oil extraction pump according to claim 1, wherein the rubber shock absorber comprises a connecting block (14) and a hollow rubber column (15), a plurality of connecting blocks (14) are fixedly mounted on the lower surface of the fixing ring (9) along the circumferential direction, and the hollow rubber column (15) is fixedly arranged at the bottom end of each connecting block (14).

3. The energy-saving oil recovery pump of claim 1, wherein the conduit (4) is a stainless steel conduit.

4. The energy-saving oil recovery pump of claim 1, characterized in that a sealing ring is arranged between the fixing ring (9) and the connecting ring (12).